On 30/09/2019 15:24, Dave Plowman (News) wrote:
In article ,
Michael Chare wrote:
The wiper blade arm on my car is very hard to remove from the motor
spindle, possibly because that part of the arm is aluminium and the
spindle is steel. Would greasing the spindle be wise and would it make
much difference waht grease I used?

They are generally on a taper. And difficult to get a straight pull with
your fingers. Try levering either side with a pair of screwdrivers.
Copper grease is generally the best thing to prevent seizing.


Copper grease is a bad choice for aluminium though.